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Irvin Thomas Omtvedt grad student 1973 Oklahoma State University
 (Maternal Heterosis for Dam Productivity and Postweaning Feedlot Performance in Swine)
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Publications

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Johnson RK, Trenhaile-Grannemann MD, Moreno R, et al. (2022) Effects of restricting energy during the gilt development period on growth and reproduction of lines differing in lean growth rate: responses in reproductive performance and longevity. Journal of Animal Science. 100
Walker LR, Jobman EE, Sutton KM, et al. (2019) Genome-wide association analysis for Porcine Reproductive and Respiratory Syndrome Virus susceptibility traits in two genetic populations of pigs. Journal of Animal Science
Trenhaile MD, Petersen JL, Kachman SD, et al. (2016) Long-term selection for litter size in swine results in shifts in allelic frequency in regions involved in reproductive processes. Animal Genetics
Hsu WL, Johnson RK. (2014) Analysis of 28 generations of selection for reproduction, growth, and carcass traits in swine. Journal of Animal Science. 92: 4806-22
McKnite AM, Bundy JW, Moural TW, et al. (2014) Genomic analysis of the differential response to experimental infection with porcine circovirus 2b. Animal Genetics. 45: 205-14
Tart JK, Johnson RK, Bundy JW, et al. (2013) Genome-wide prediction of age at puberty and reproductive longevity in sows. Animal Genetics. 44: 387-97
Miller PS, Moreno R, Johnson RK. (2011) Effects of restricting energy during the gilt developmental period on growth and reproduction of lines differing in lean growth rate: responses in feed intake, growth, and age at puberty. Journal of Animal Science. 89: 342-54
Knauer M, Stalder KJ, Serenius T, et al. (2010) Factors associated with sow stayability in 6 genotypes. Journal of Animal Science. 88: 3486-92
Hsu WL, Johnson RK, Vleck LDV. (2010) Effect of pen mates on growth, backfat depth, and longissimus muscle area of swine Journal of Animal Science. 88: 895-902
Lunney JK, Petry D, Johnson R, et al. (2009) Swine immunity and genetic resistance to porcine reproductive and respiratory syndrome virus (PRRSV) infection Veterinary Immunology and Immunopathology. 128: 220-221
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